Across
- 4. The process of marking out a number of small, randomly selected square areas
- 6. The process involving how cells use energy and involving the rates of metabolism
- 9. A measurement of acidity or alkalinity based on the concentration of Hydrogen
- 10. Organisms that can produce their own nutrients from non-living sources
- 11. Consumers that break down or decompose dead organisms (decay of organic material)
- 13. A non-living chemical or physical factor in the environment such as temperature, humidity, rainfall, sunlight and windspeed
- 14. The overflowing fullness, ample sufficiency, profusion and copious supply, strictly applicable to quantity only, but sometimes used of number (The size of a population)
- 15. A relationship in which two organisms compete for a limited resource
- 16. Is the enrichment of lakes and waterways as a result of the leaching of nutrients. This often causes excessive growth of aquatic plants
- 17. The measurement on the concentration of salt within an environment
- 19. Factors relating to land environments
- 20. The total amount of mass within an ecosystem
- 22. The inclusion of both the abiotic factors and the biotic factors that constitute an organism's surroundings
- 23. A relationship between two organisms in which only one benefits and the other is unaffected
- 25. A unit to measure the amount of luminance
- 27. Is any feature or characteristic which helps an organism survive in its environment
- 28. Any organism which obtains energy from other organisms
Down
- 1. An animal which obtains energy from plants and vegetation
- 2. Relating to nutrition or feeding
- 3. A factor created by a living thing or any living component within an environment in which the action of the organism affects the life of the ecosystem and/or another organism
- 5. Factors relating to water environments
- 7. A relationship in which one organism directly hinders the growth or development of another by releasing toxins
- 8. A relationship in which one organism lives in or on another organism and feeds from it, causing harm to the host
- 9. an organism that eats other organisms, usually thought of as involving the consumption of animals by animals but it can also mean the eating of plants
- 12. The process where chlorophyll synthesis food from carbon dioxide and water (in the presence of sunlight) to generate oxygen and energy in the form of glucose
- 16. A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together (interacting) as a unit
- 18. An animal which obtains energy from flesh or animals
- 21. The location or arrangement of continuing or successive organisms is space or time. (The geographical range of an organism or population)
- 24. A relationship between two organisms in which both benefit
- 26. The process of marking out a straight line across an area, noting the types of organism/life present, and plotting their position along this line on a diagram
